This is a high quality handmade Japanese katana,overall length is 40.9 inch,Weight is 36 pound. Katana Blade Material:Damascus steel Oil Quenching Katana Blade Material:Folding steel Oil Quenching Katana Blade Style:Blue Katana blue Texture Blade Blade Grinding Method:Hand Polish Blade length (Nagasa) does not include habaki:71cm Handle length (Nakago):27cm Blade type: SHINOGI-ZUKUR Blade structure: Maru Blade width near Habaki:3.2cm Blade width near Kissaki:2.3cm Blade thickness near Habaki:0.75cm Blade thickness near Kissaki:0.5cm Kissaki type:Chu-Kissaki